add missing file

nextcloud/models/alerts.py

@@ -0,0 +1,24 @@
+import logging
+
+from django.dispatch import Signal
+
+logger = logging.getLogger(__name__)
+
+new_membership = Signal(providing_args=["user"])
+ending_membership = Signal(providing_args=["user"])
+changing_membership_password = Signal(providing_args=["user", "password"])
+
+
+class MemberAlertManager:
+
+    def handle_new_membership(self, _user):
+        logger.debug("handle_new_membership: %s" % _user.username)
+        new_membership.send(sender=self, user=_user)
+
+    def handle_ending_membership(self, _user):
+        logger.debug("handle_ending_membership: %s" % _user.username)
+        ending_membership.send(sender=self, user=_user)
+
+    def handle_changing_membership_password(self, _user, _pass):
+        logger.debug("handle_changing_membership_password: %s" % _user.username)
+        changing_membership_password.send(sender=self, user=_user, password=_pass)